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#!/usr/bin/python
# Copyright 2011 Google Inc. All Rights Reserved.
"""The experiment runner module."""
import getpass
import os
import time
from utils import command_executer
from utils import logger
from utils.email_sender import EmailSender
from utils.file_utils import FileUtils
import config
from experiment_status import ExperimentStatus
from results_report import HTMLResultsReport
from results_report import TextResultsReport
class ExperimentRunner(object):
"""ExperimentRunner Class."""
STATUS_TIME_DELAY = 30
THREAD_MONITOR_DELAY = 2
def __init__(self, experiment, logger=None, cmd_exec=None):
self._experiment = experiment
self.l = logger or logger.GetLogger(experiment.log_dir)
self._ce = cmd_exec or command_executer.GetCommandExecuter(self.l)
self._terminated = False
if experiment.log_level != "verbose":
self.STATUS_TIME_DELAY = 10
def _Run(self, experiment):
status = ExperimentStatus(experiment)
experiment.Run()
last_status_time = 0
last_status_string = ""
try:
if experiment.log_level != "verbose":
self.l.LogStartDots()
while not experiment.IsComplete():
if last_status_time + self.STATUS_TIME_DELAY < time.time():
last_status_time = time.time()
border = "=============================="
if experiment.log_level == "verbose":
self.l.LogOutput(border)
self.l.LogOutput(status.GetProgressString())
self.l.LogOutput(status.GetStatusString())
self.l.LogOutput(border)
else:
current_status_string = status.GetStatusString()
if (current_status_string != last_status_string):
self.l.LogEndDots()
self.l.LogOutput(border)
self.l.LogOutput(current_status_string)
self.l.LogOutput(border)
last_status_string = current_status_string
else:
self.l.LogAppendDot()
time.sleep(self.THREAD_MONITOR_DELAY)
except KeyboardInterrupt:
self._terminated = True
self.l.LogError("Ctrl-c pressed. Cleaning up...")
experiment.Terminate()
def _PrintTable(self, experiment):
self.l.LogOutput(TextResultsReport(experiment).GetReport())
def _Email(self, experiment):
# Only email by default if a new run was completed.
send_mail = False
for benchmark_run in experiment.benchmark_runs:
if not benchmark_run.cache_hit:
send_mail = True
break
if (not send_mail and not experiment.email_to
or config.GetConfig("no_email")):
return
label_names = []
for label in experiment.labels:
label_names.append(label.name)
subject = "%s: %s" % (experiment.name, " vs. ".join(label_names))
text_report = TextResultsReport(experiment, True).GetReport()
text_report = "<pre style='font-size: 13px'>%s</pre>" % text_report
html_report = HTMLResultsReport(experiment).GetReport()
attachment = EmailSender.Attachment("report.html", html_report)
email_to = [getpass.getuser()] + experiment.email_to
EmailSender().SendEmail(email_to,
subject,
text_report,
attachments=[attachment],
msg_type="html")
def _StoreResults (self, experiment):
if self._terminated:
return
results_directory = experiment.results_directory
FileUtils().RmDir(results_directory)
FileUtils().MkDirP(results_directory)
self.l.LogOutput("Storing experiment file in %s." % results_directory)
experiment_file_path = os.path.join(results_directory,
"experiment.exp")
FileUtils().WriteFile(experiment_file_path, experiment.experiment_file)
self.l.LogOutput("Storing results report in %s." % results_directory)
results_table_path = os.path.join(results_directory, "results.html")
report = HTMLResultsReport(experiment).GetReport()
FileUtils().WriteFile(results_table_path, report)
self.l.LogOutput("Storing results of each benchmark run.")
for benchmark_run in experiment.benchmark_runs:
if benchmark_run.result:
benchmark_run_name = filter(str.isalnum, benchmark_run.name)
benchmark_run_path = os.path.join(results_directory,
benchmark_run_name)
benchmark_run.result.CopyResultsTo(benchmark_run_path)
benchmark_run.result.CleanUp(benchmark_run.benchmark.rm_chroot_tmp)
def Run(self):
self._Run(self._experiment)
self._PrintTable(self._experiment)
if not self._terminated:
self._StoreResults(self._experiment)
self._Email(self._experiment)
class MockExperimentRunner(ExperimentRunner):
"""Mocked ExperimentRunner for testing."""
def __init__(self, experiment):
super(MockExperimentRunner, self).__init__(experiment)
def _Run(self, experiment):
self.l.LogOutput("Would run the following experiment: '%s'." %
experiment.name)
def _PrintTable(self, experiment):
self.l.LogOutput("Would print the experiment table.")
def _Email(self, experiment):
self.l.LogOutput("Would send result email.")
def _StoreResults(self, experiment):
self.l.LogOutput("Would store the results.")
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